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Design of prestressed concrete
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In this article, the authors present a basic concept of materials, including Flexural Analysis, Flexural Design Shear and Torsion Partial Loss of Prestress Force Composite Beams Continuous Beams and Frames Deflections Slabs Axially Loaded Members Precast Construction Applications.Abstract:
Basic Concepts Materials Flexural Analysis Flexural Design Shear and Torsion Partial Loss of Prestress Force Composite Beams Continuous Beams and Frames Deflections Slabs Axially Loaded Members Precast Construction Applications.read more
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Size Effect in Blunt Fracture: Concrete, Rock, Metal
TL;DR: In this article, the authors studied the structural size effect of fracture in concrete and rock structures, using dimensional analysis and illustrative examples, and showed that the energy release caused by fracture depends on both the length and the area of the crack band.
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Cyclic Response of Unbonded Posttensioned Precast Columns with Ductile Fiber-Reinforced Concrete
Sarah L. Billington,J. K. Yoon +1 more
TL;DR: In this article, a precast segmental concrete bridge pier system is investigated for use in seismic regions, which uses unbonded posttensioning (UBPT) to join the precast segments and has the option of using a ductile fiber-reinforced cement-based composite (DRFCC) material.
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Excessive Long-Time Deflections of Prestressed Box Girders. I: Record-Span Bridge in Palau and Other Paradigms
TL;DR: The segmental prestressed concrete box girder of Koror-Babeldaob (KB) bridge in Palau, which had a record span of 241 m (791 ft) and collapsed in 1996 as a consequence of remedial prestressing, after a 3-month delay as mentioned in this paper.
Journal ArticleDOI
Excessive Long-Time Deflections of Prestressed Box Girders. II: Numerical Analysis and Lessons Learned
TL;DR: In this article, the authors present the numerical procedure and review the lessons learned for the Koror-Babeldaob bridge in the Pacific island nation of Palau, and compare the performance of various material models for creep and shrinkage.
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Experimental Evaluation of the Composite Behavior of Precast Concrete Sandwich Wall Panels
TL;DR: In this paper, lateral load tests were performed on four full-scale precast concrete sandwich wall panels and the degree of composite action developed by each shear transfer mechanism (regions of solid concrete, wythe connectors and bond) was evaluated by testing three additional panels that included only one mechanism each.